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These studies are conducted based on assumptions under regular conditions for fixed test forms, such as no missing responses and normal distribution of unidimensional ability for a population.
Topics: Measurement & scaling, Computer adaptive testing, Item response theory
Data Visualizations
View interactive tools that bring complex education issues to life. Explore patterns in growth, achievement, poverty, college readiness, and more.
Research Partnerships
Our collaborations with university researchers, school systems, address diverse education research topics.
Upcoming Research Presentations
Connect with us and learn about our newest research at these conferences and events.